https://issues.apache.org/bugzilla/show_bug.cgi?id=43285





--- Comment #7 from Bernhard Huemer <[EMAIL PROTECTED]>  2008-03-23 13:05:39 
PST ---
Note that the Expression Language specification requires this behaviour, see
"1.2.1.1 Eval-expressions as value expressions": "In the case of lvalues [...]
the provided value is coerced to the actual type of the property the expression
points to, before that property is set." Furthermore, according to the coercion
rules defined in the section "1.18.3 Coerce A to Number type N" the Expression
Language implementation has to coerce both null and "" to 0. 
As you can see, this behaviour is not only what one would expect but also what
the specification requires.


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